The JEL STAV II Jolting Volumeter measures the bulk volume and tamped density of bulk materials before and after compaction. The device is motor-driven, controlled via a display, and holds the measuring cylinder in place with a clamping device. It complies with relevant standards such as the European Pharmacopoeia, DIN ISO 787-11, ISO 3953, ISO 8967, and ASTM B 527-93. The stroke rate can be individually adjusted, measuring cylinders are available in various sizes, and a soundproof hood is available as an option.